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TLS Online TPP Program

#Id: 6520

In 21β-hydroxylase deficiency, glucocorticoid secretion is reduced during fetal life and the adrenal medulla is dysplastic





#Unit 7. System Physiology – Animal #Adrenal medulla & Hormones #Part B Pointers
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TLS Online TPP Program

#Id: 8086

#Unit 1. Molecules and their Interaction Relevant to Biology
TLS Online TPP Program

#Id: 1527

#Unit 2. Cellular Organization

The short (∼20 amino acid) C-terminal tails of both α- and β-tubulin that protrude from the microtubule are enriched in glutamic and aspartic acids, the surface of the microtubule possesses a net negative charge.
TLS Online TPP Program

#Id: 10093

#Unit 4. Cell Communication and Cell Signaling

Integrin exist in two conformations: 
Inactive, low-affinity, “bent” conformation  
Active, high-affinity, “extended” conformation
TLS Online TPP Program

#Id: 892

#Unit 13. Methods in Biology

CCG and CGG are the rarest trinucleotides in most A+T-rich bacterial genomes and CTAG is the rarest tetranucleotide in G+C-rich bacterial genomes.
TLS Online TPP Program

#Id: 8977

#Unit 11. Evolution and Behavior

Molecular clock - The concept of a steady rate of change in DNA sequences over time.